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NTA Abhyas JEE Main2020ChemistryCarboxylic Acid DerivativesPractice

An organic compound A upon reacting with N H 3 gives B. On heating, B gives C. C in presence of KOH reacts with B r 2 to give C H 3 C H 2 N H 2 . A is

Options

  1. AC H 3 - C | H - C H 3 C O O H
  2. BC H 3 C H 2 C H 2 C O O H
  3. CC H 3 C O O H
  4. DC H 3 C H 2 C O O H

Correct answer

D. C H 3 C H 2 C O O H

Step-by-step solution

C H 3 C H 2 C O O H A + N H 3 → C H 3 C H 2 C O 2 N H 4 B →   Δ   C H 3 C H 2 C O N H 2 C →   K O H + B r 2 Hoffmann Bromamide   reaction   C H 3 C H 2 N H 2 + H 2 O

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